jest.config.ts

import type { Config } from 'jest';
import nextJest from 'next/jest';

const createJestConfig = nextJest({
  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
  dir: './',
});

// Add any custom config to be passed to Jest
const config: Config = {
  setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
  testEnvironment: 'jest-environment-node',
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },
  testMatch: ['**/__tests__/**/*.test.ts', '**/__tests__/**/*.test.tsx'],
  transform: {
    '^.+\\.(ts|tsx)$': [
      'ts-jest',
      {
        tsconfig: 'tsconfig.json',
      },
    ],
  },
  globals: {
    'ts-jest': {
      tsconfig: 'tsconfig.json',
    },
  },
};

// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
export default createJestConfig(config);